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US3654166A Expired / Lapsed US ⏱️ 0.0 years remaining

Detergent compositions

Assignee: Henkel AG and Co KGaA
•
Filing: 1968-08-02
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Granted: 1972-04-04
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Expires: 1988-08-02
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Abstract

Abstract DETERGENT COMPOSITION COMPRISING (A) FROM 20 TO 90 WT. PERCENT OF AT LEAST ONE SURFACTANT SELECTED FROM THE GROUP OF ANIONIC, ZWITTERIONIC AND NON-IONIC SURFACTANCTS, AND (B) FROM 10 TO 80 WT. PERCENT OF, AS TEXTILE SOFTENER, AN N-ALKYL-N-ACYL-N-POLYHYDROXALKYL COMPOUND OF THE FORMULA: R1-N(-Z)-CO-R2 WHEREIN R1 IS ALKYL HAVING 10 TO 22 CARBON ATOMS, WHICH CAN BE INTERRUPTED BY AN ETHER OXYGEN IN THE VICINITY OF THE NITOGEN ATOMS R2 IS ALKYL HAVING 7 TO 21 CARBON ATOMS, R1 AND R2 TOGETHER CONTAINING FROM 23 TO 39 CARBON ATOMS AND Z IS A POLYHYDROXALKYL HAVING ONE OF THE FOLLOWING FORMULAE: -CH2-(CH(-OH))M-CH2-OH AND -CH(-CH2-OH)-(CH(-OH))N -CH2-OH WHEREIN M HAS A VALUE OF 3 OR 4 AND N HAS A VALUE OF 2 TO 3.

Inventors

  • 👤 Hans-Werner Eckert
  • 👤 Arnold Heins

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 22:56
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/38; C11D1/52; C11D1/525; C11D17/00; C11D17/0039; C11D3/00; C11D3/0005; C11D3/001; C11D3/16; C11D3/38; C11D3/386; C11D3/38609; C11D3/38627

Claims Analysis

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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-04-04 1975-10-04 1976-04-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-04-04 1979-10-04 1980-04-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-04-04 1983-10-04 1984-04-04 $7700.00 Window Closed / Lapsed

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